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Tagged: servo

Found this one while looking around for more Halloween inspired hacks. Hari picked up a bunch of rubber rats at the dollar store and decided to make a Halloween project out of it.

A Raspberry Pi connected to a Pi Cobbler breakout board, and a 16 channel i2c PWM servo controller puppet an array of rubber rats. Everything is powered by a pair of hobby LiPo batteries and 5v regulators. The rats eyes were swapped out for some bright red LED’s giving a pretty authentic haunted house look.

There’s still time to put something like this together before Halloween!

SPiBot is a remote control platform with tank-like tracks. It’s a work in progress, but will be fitted with a rotatable camera, microphone, and distance sensors. It is to be controlled via the web on either a phone, tablet, or laptop.

The base for the platform is a Raspberry Pi. WiFi is used for communication. The HTML interface is served up using nginx and PHP. Motor control happens via PWM from the Pi to motor drivers. Video and pictures will be done with some combination of raspivid, vlc, ffmpeg, and raspivid.

It looks like the project is pretty far a long, but not quite finished. Hopefully the author has some pets he can terrorize when it’s finished.

Taking a ploy from the upcoming TouchID feature the new iPhone will have, Grant was inspired to make this really neat toy box for his son’s toy car collection.

You would think getting a fingerprint reader would be the most difficult part, but apparently Adafruit has ‘em for sale! So Grant got a fingerprint reader, a hobby servo, pushbutton, and some batteries and hooked it up to an Arduino UNO.

Looks like a fun project, especially for something like a jewelry box.

Ranking up there in the category of possibly over engineered cat toys, is the TinyLaserTurret. This will probably keep you _and_ fluffy entertained for at least a few hours.

The brains of the operation is an ATTiny85 microcontroller. The unit is controlled by a Wii Nunchuck (using the WiiChuck adapter). Pan & tilt are made available via servos. Then there’s a 5v red laser module for that mysterious dot that fluffy can’t seem to ever catch. Because of current requirements the laser is driven with a transistor. Everything is mounted on a 3D Printed frame.

Andy had a problem that a lot of us have, we’re ready to move into the future and stream all of our movies (that we legally own of course) to our XBMC media center (or equivalent). But who wants to take the time to rip your entire collection? Not me. So Andy started to rip his and came to the same conclusion.

So he built a robot to automate the boring process of taking a disc from the stack, putting in the drive, taking the disc out of the drive, put it in the finished stack, and repeat. The build uses mostly 3D printed parts and servos. The process is controlled by a Raspberry Pi and a laptop.

While the original source function for this is for ripping DVDs, I don’t see why this couldn’t be adapted to ripping audio CDs, or automated cd burning by inserting cd blanks, or direct-to-cd printers, you know to get that freestyle demo of yours out!

Project sentry gun is an open source project for people who like to make sentry guns. From the looks of it the most popular flavor is for paintball guns, but you could adapt this design to anything — as all the basics are there. The project is powered by an Arduino or a custom Sentry controller, some servos, webcam, and some raw materials.

Matthew is back making some cool stuff, this time we got frank and his little obstacle avoiding robot. He’s roaming around, looking around, avoiding things. He’s even got some LED’s and plays music! A fun little project to build I’m sure.

Matthew was nice enough to put up his source code in case you want to build something similar.